Nikolaus is a distinctive boys' name in United States, ranking #4030 in 2013 with 25 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 68.8%. In 2013, approximately 1 in every 75,650 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.